[citation needed] This article lists inbuilt as well as external software designed for this purpose.
For software designed to copy, clone, image or author entire storage devices such as CDs, DVDs, Blu-ray disks, hard drives and storage device partitions, back up data, copiers that work on storage devices as a logical unit, and more general file managers and other utilities related to file copying software, please see: Examples of comparable operating functionality seen across file copying programs: Generic differentiators and functions as software: Gizmo's Freeware published a basic comparison review of a range of well-known third party file copying software on Windows.
[1] FastCopy was given top place, being highest speed and also light on system resources (the author states it uses its own cache to avoid slowing other software, and the Win32 API and C runtime rather than MFC).
More recently, Raymond CC's blog reviewed a similar range of software on Windows versions XP, 7, and 8, and also ranked FastCopy as the overall speed winner.
Operating system commands: Notable third-party file transfer software include: